Where in the bible does it say that we are compassed by great cloud of witnesses?

The phrase about being "compassed about with so great a cloud of witnesses" is found in Hebrews 12:1. This verse encourages believers to run their race of faith with perseverance, drawing inspiration from the faithful figures mentioned in the previous chapter, Hebrews 11. The "cloud of witnesses" symbolizes those who have gone before and exemplified faith, urging Christians to remain steadfast in their journey.